/* ============================================================
   SKAIWALK · Shop page (shop.html)
   ============================================================ */

.shop {
  padding: 140px 48px 120px;
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
}
.shop__inner {
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 96px;
  align-items: center;
}

/* ---------- Photo column ---------- */
.shop__photo {
  position: relative;
}
.shop__photo img {
  width: 100%;
  height: auto;
  display: block;
  filter:
    drop-shadow(0 24px 40px rgba(35, 60, 90, 0.22))
    drop-shadow(0 6px 12px rgba(35, 60, 90, 0.14));
}

/* ---------- Meta column ---------- */
.shop__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 420px;
}
.shop__head {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.shop__title {
  margin: 0;
  line-height: 1;
}
.shop__title img {
  height: 36px;
  width: auto;
  display: block;
  opacity: 0.95;
}
/* Two AIR wordmarks ride along — dark-ink for light theme, white for dark.
   Selector specificity matches `.shop__title img` so the display rule above
   doesn't override the hidden state. */
.shop__title img.shop__title-img--dark { display: none; }
[data-theme="dark"] .shop__title img.shop__title-img--light { display: none; }
[data-theme="dark"] .shop__title img.shop__title-img--dark { display: block; }
.shop__edition {
  font-family: 'Italianno', cursive;
  font-size: 40px;
  font-weight: 400;
  line-height: 1;
  color: var(--sk-fg-muted);
  letter-spacing: 0.01em;
}
.shop__rule {
  width: 100%;
  height: 1px;
  border: 0;
  background: rgba(35, 60, 90, 0.10);
  margin: 36px 0 24px;
}
/* Total divider — sits between the controls and the total summary. */
.shop__rule--total {
  margin: 28px 0 20px;
}

/* ---------- Quantity row (label left, stepper right) ---------- */
.shop__qty-row {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.shop__qty-label,
.shop__total-label {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sk-fg-subtle);
  font-weight: var(--sk-weight-medium);
}

/* ---------- Total summary (label left, big number + currency pill right) ---------- */
.shop__total-row {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.shop__total-summary {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.shop__total-value {
  font-size: 36px;
  font-weight: var(--sk-weight-light);
  letter-spacing: -0.02em;
  color: var(--sk-fg);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

/* Quantity stepper — borderless. Digit and ± glyphs ride at the same 36px
   size as the total below so the two summary lines feel typographically twinned. */
.shop__stepper {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.shop__stepper-btn {
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  font-weight: var(--sk-weight-light);
  line-height: 1;
  color: var(--sk-fg);
  cursor: pointer;
  border-radius: 50%;
  flex-shrink: 0;
  transition: background 200ms var(--sk-ease-flow);
}
.shop__stepper-btn:hover { background: rgba(35, 60, 90, 0.06); }
.shop__stepper-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}
.shop__stepper-value {
  width: 72px;
  text-align: center;
  font: inherit;
  font-size: 36px;
  font-weight: var(--sk-weight-light);
  letter-spacing: -0.02em;
  color: var(--sk-fg);
  font-variant-numeric: tabular-nums;
  background: transparent;
  border: 0;
  outline: none;
  padding: 0;
}
input.shop__stepper-value::-webkit-outer-spin-button,
input.shop__stepper-value::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input.shop__stepper-value:focus {
  /* Subtle focus cue without losing the seamless look. */
  color: var(--sk-fg);
}

/* Currency dropdown — compact pill, just enough to fit "USD ⌄". */
.shop__currency { position: relative; }
.shop__currency-toggle {
  height: 32px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: var(--sk-radius-pill);
  background: transparent;
  border: 1px solid rgba(35, 60, 90, 0.14);
  font: inherit;
  font-size: 13px;
  font-weight: var(--sk-weight-medium);
  color: var(--sk-fg);
  cursor: pointer;
  transition:
    background 240ms var(--sk-ease-flow),
    border-color 240ms var(--sk-ease-flow);
}
.shop__currency-toggle:hover {
  background: rgba(35, 60, 90, 0.04);
  border-color: rgba(35, 60, 90, 0.18);
}
.shop__currency-toggle svg { opacity: 0.7; transition: transform 200ms var(--sk-ease-flow); }
.shop__currency-toggle[aria-expanded="true"] svg { transform: rotate(180deg); }
.shop__currency-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  max-height: 320px;
  overflow-y: auto;
  padding: 6px;
  border-radius: 14px;
  background: var(--sk-glass-bg);
  backdrop-filter: var(--sk-glass-blur);
  -webkit-backdrop-filter: var(--sk-glass-blur);
  border: var(--sk-glass-border);
  box-shadow: var(--sk-glass-shadow);
  display: flex;
  flex-direction: column;
  gap: 2px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition:
    opacity 200ms var(--sk-ease-flow),
    transform 240ms var(--sk-ease-flow);
  z-index: 50;
}
.shop__currency-menu[data-open="true"] {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.shop__currency-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 14px;
  border-radius: 10px;
  font: inherit;
  font-size: 13px;
  color: var(--sk-fg);
  cursor: pointer;
  transition: background 200ms var(--sk-ease-flow);
}
.shop__currency-item:hover { background: rgba(255, 255, 255, 0.22); }
.shop__currency-item[data-active="true"] {
  background: rgba(255, 255, 255, 0.16);
  font-weight: var(--sk-weight-medium);
}

/* ---------- CTA — Buy now → (total lives in its own row above) ---------- */
.shop__cta {
  width: 100%;
  padding: 20px 28px;
  font-size: 16px;
  font-weight: var(--sk-weight-semibold);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 24px;
}
.shop__cta .sk-btn__arrow { margin-left: 4px; }

/* ---------- Trust strip — text only, bullet-separated ---------- */
.shop__trust {
  list-style: none;
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sk-fg-subtle);
  font-weight: var(--sk-weight-medium);
}
.shop__trust li:not(:last-child)::after {
  content: "·";
  margin-left: 16px;
  opacity: 0.4;
}

/* ---------- Back link (only visible during checkout) ---------- */
.shop__back {
  display: none;
  margin-top: 24px;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--sk-fg-subtle);
  cursor: pointer;
  transition: color 240ms var(--sk-ease-flow);
}
.shop__back:hover { color: var(--sk-fg); }
.shop__back svg { display: block; }

/* ============================================================
   Checkout state — photo gone, meta becomes left column,
   payment panel takes the right column.
   ============================================================ */
.shop[data-shop-state="cart"] .shop__payment { display: none; }

.shop[data-shop-state="checkout"] .shop__inner {
  grid-template-columns: 1fr 1fr;
}
.shop[data-shop-state="checkout"] .shop__photo,
.shop[data-shop-state="checkout"] .shop__cta,
.shop[data-shop-state="checkout"] .shop__trust {
  display: none;
}
.shop[data-shop-state="checkout"] .shop__back {
  display: inline-flex;
}

/* ============================================================
   View Transitions — smooth cart ↔ checkout swap.
   Photo slides out left while fading; meta interpolates from the
   right column to the left column; payment slides in from the right.
   Browsers without View Transitions (Firefox at the moment) get an
   instant cut, which is the existing behavior.
   ============================================================ */
.shop__photo   { view-transition-name: shop-photo; }
.shop__meta    { view-transition-name: shop-meta; }
.shop__payment { view-transition-name: shop-payment; }

::view-transition-old(shop-photo) {
  animation: 400ms var(--sk-ease-flow) both shopPhotoOut;
}
::view-transition-new(shop-photo) {
  animation: 480ms var(--sk-ease-flow) both shopPhotoIn;
}
::view-transition-old(shop-meta),
::view-transition-new(shop-meta) {
  /* Default position-interpolation; just tune timing to match the brand. */
  animation-duration: 520ms;
  animation-timing-function: var(--sk-ease-flow);
}
::view-transition-old(shop-payment) {
  animation: 320ms var(--sk-ease-flow) both shopPaymentOut;
}
::view-transition-new(shop-payment) {
  /* Slight delay so the photo has already started clearing the column
     before the payment panel slides in — feels less crowded. */
  animation: 480ms var(--sk-ease-flow) 80ms both shopPaymentIn;
}

@keyframes shopPhotoOut {
  to   { opacity: 0; transform: translateX(-32px); }
}
@keyframes shopPhotoIn {
  from { opacity: 0; transform: translateX(-32px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes shopPaymentOut {
  to   { opacity: 0; transform: translateX(32px); }
}
@keyframes shopPaymentIn {
  from { opacity: 0; transform: translateX(32px); }
  to   { opacity: 1; transform: translateX(0); }
}

@media (prefers-reduced-motion: reduce) {
  ::view-transition-old(*),
  ::view-transition-new(*) { animation-duration: 0.01ms !important; }
}

/* ---------- Payment panel ---------- */
.shop__payment {
  display: flex;
  flex-direction: column;
  max-width: 460px;
}
.shop__payment-head {
  margin-bottom: 28px;
}
.shop__payment-eyebrow {
  display: block;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sk-fg-subtle);
  font-weight: var(--sk-weight-medium);
  margin-bottom: 10px;
}
.shop__payment-title {
  font-size: 28px;
  font-weight: var(--sk-weight-light);
  letter-spacing: -0.015em;
  line-height: 1.15;
  color: var(--sk-fg);
  margin: 0;
}
.shop__payment-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Field block: small-caps label + input */
.shop__field { display: flex; flex-direction: column; gap: 6px; }
.shop__field-label {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sk-fg-subtle);
  font-weight: var(--sk-weight-medium);
}
.shop__input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(35, 60, 90, 0.14);
  background: transparent;
  font: inherit;
  font-size: 14px;
  color: var(--sk-fg);
  outline: none;
  transition:
    border-color 200ms var(--sk-ease-flow),
    background 200ms var(--sk-ease-flow);
}
.shop__input:focus { border-color: var(--sk-accent); }
.shop__input--select {
  /* Native chevron suppressed; we draw our own via background-image. */
  -webkit-appearance: none;
  appearance: none;
  background-image:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6' fill='none'><path d='M1 1l4 4 4-4' stroke='%236B7C93' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

/* Stripe Payment Element mount — placeholder until shop.js wires it up. */
.shop__stripe-mount {
  width: 100%;
  padding: 16px 14px;
  border-radius: 12px;
  border: 1px dashed rgba(35, 60, 90, 0.22);
  background: rgba(35, 60, 90, 0.02);
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.shop__stripe-placeholder {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: stretch;
}
.shop__stripe-placeholder-row {
  display: flex;
  gap: 8px;
}
.shop__stripe-placeholder-bar {
  flex: 1;
  height: 10px;
  border-radius: 4px;
  background: rgba(35, 60, 90, 0.08);
}
.shop__stripe-placeholder-bar--wide { flex: 2; }
.shop__stripe-placeholder-note {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sk-fg-subtle);
  text-align: center;
  margin-top: 4px;
  font-weight: var(--sk-weight-medium);
}

/* Pay button — same primary glass treatment as the cart CTA, but with
   inline price (separator like the previous embedded-CTA pattern). */
.shop__pay {
  width: 100%;
  padding: 20px 28px;
  font-size: 16px;
  font-weight: var(--sk-weight-semibold);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 8px;
}
.shop__pay-sep { opacity: 0.45; font-weight: var(--sk-weight-light); }
.shop__pay-total { font-variant-numeric: tabular-nums; }
.shop__pay .sk-btn__arrow { margin-left: 4px; }
.shop__pay-note {
  margin: 14px 0 0;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--sk-fg-subtle);
  line-height: 1.5;
  text-align: center;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .shop { padding: 120px 24px 64px; }
  .shop__inner { grid-template-columns: 1fr; gap: 48px; }
  .shop__meta { max-width: 100%; }
  .shop__total-value { font-size: 28px; }
  .shop[data-shop-state="checkout"] .shop__inner { grid-template-columns: 1fr; }
}

/* ---------- Dark theme overrides ----------
   Hairlines flip to white-ink at the same opacities; the product photo
   trades its dark drop-shadow for a soft cool glow + black grounding so
   the watch reads as floating rather than disappearing into the field. */
[data-theme="dark"] .shop__photo img {
  filter:
    drop-shadow(0 0 50px rgba(166, 211, 230, 0.10))
    drop-shadow(0 24px 40px rgba(0, 0, 0, 0.32))
    drop-shadow(0 6px 12px rgba(0, 0, 0, 0.20));
}
[data-theme="dark"] .shop__rule { background: rgba(255, 255, 255, 0.10); }
[data-theme="dark"] .shop__stepper-btn:hover { background: rgba(255, 255, 255, 0.06); }
[data-theme="dark"] .shop__currency-toggle { border-color: rgba(255, 255, 255, 0.14); }
[data-theme="dark"] .shop__currency-toggle:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.22);
}

/* Payment form on dark — inputs flip to white-ink hairlines, Stripe mount
   gets a slightly softer dashed edge that reads against the dark base. */
[data-theme="dark"] .shop__input {
  border-color: rgba(255, 255, 255, 0.14);
}
[data-theme="dark"] .shop__input:focus {
  border-color: var(--sk-accent);
}
[data-theme="dark"] .shop__input--select {
  background-image:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6' fill='none'><path d='M1 1l4 4 4-4' stroke='%23A6B4C5' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'/></svg>");
}
[data-theme="dark"] .shop__stripe-mount {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.02);
}
[data-theme="dark"] .shop__stripe-placeholder-bar {
  background: rgba(255, 255, 255, 0.10);
}